349273051 has 4 divisors (see below), whose sum is σ = 349358632. Its totient is φ = 349187472.

The previous prime is 349273003. The next prime is 349273079. The reversal of 349273051 is 150372943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150372943 = 7 ⋅21481849.

It is a cyclic number.

It is not a de Polignac number, because 349273051 - 2²³ = 340884443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349272998 and 349273016.

It is not an unprimeable number, because it can be changed into a prime (349273091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36345 + ... + 44938.

It is an arithmetic number, because the mean of its divisors is an integer number (87339658).

Almost surely, 2^349273051 is an apocalyptic number.

349273051 is a deficient number, since it is larger than the sum of its proper divisors (85581).

349273051 is an equidigital number, since it uses as much as digits as its factorization.

349273051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85580.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 349273051 is about 18688.8483058748. The cubic root of 349273051 is about 704.2416277111.

The spelling of 349273051 in words is "three hundred forty-nine million, two hundred seventy-three thousand, fifty-one".